{"id":1817,"date":"2025-03-24T08:49:51","date_gmt":"2025-03-23T23:49:51","guid":{"rendered":"https:\/\/dexall.co.jp\/articles\/?p=1817"},"modified":"2025-03-24T08:49:51","modified_gmt":"2025-03-23T23:49:51","slug":"%e3%80%90%e4%bf%9d%e5%ad%98%e7%89%88%e3%80%91c%e9%85%8d%e5%88%97%e3%81%ae%e5%88%9d%e6%9c%9f%e5%8c%96%e5%ae%8c%e5%85%a8%e3%82%ac%e3%82%a4%e3%83%89-%e7%8f%be%e5%a0%b4%e3%81%a7%e4%bd%bf%e3%81%88","status":"publish","type":"post","link":"https:\/\/dexall.co.jp\/articles\/?p=1817","title":{"rendered":"\u3010\u4fdd\u5b58\u7248\u3011C++\u914d\u5217\u306e\u521d\u671f\u5316\u5b8c\u5168\u30ac\u30a4\u30c9 &#8211; \u73fe\u5834\u3067\u4f7f\u3048\u308b7\u3064\u306e\u65b9\u6cd5\u3068\u5b9f\u8df5\u30c6\u30af\u30cb\u30c3\u30af"},"content":{"rendered":"\n<div class=\"toc\"><br \/>\n<b>Warning<\/b>:  Undefined array key \"is_admin\" in <b>\/home\/xs392991\/dexall.co.jp\/public_html\/articles\/wp-content\/themes\/sango-theme\/library\/gutenberg\/dist\/classes\/Toc.php<\/b> on line <b>116<\/b><br \/>\n<br \/>\n<b>Warning<\/b>:  Undefined array key \"is_category_top\" in <b>\/home\/xs392991\/dexall.co.jp\/public_html\/articles\/wp-content\/themes\/sango-theme\/library\/gutenberg\/dist\/classes\/Toc.php<\/b> on line <b>121<\/b><br \/>\n<br \/>\n<b>Warning<\/b>:  Undefined array key \"is_top\" in <b>\/home\/xs392991\/dexall.co.jp\/public_html\/articles\/wp-content\/themes\/sango-theme\/library\/gutenberg\/dist\/classes\/Toc.php<\/b> on line <b>128<\/b><br \/>\n    <div id=\"toc_container\" class=\"sgb-toc--bullets js-smooth-scroll\" data-dialog-title=\"\u76ee\u6b21\">\n      <p class=\"toc_title\">\u76ee\u6b21 <\/p>\n      <ul class=\"toc_list\">  <li class=\"first\">    <a href=\"#i-0\">C++ \u914d\u5217\u306e\u521d\u671f\u5316\u3068\u306f\uff1f \u57fa\u790e\u77e5\u8b58\u304b\u3089\u89e3\u8aac<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-1\">\u914d\u5217\u521d\u671f\u5316\u304c\u91cd\u8981\u306a3\u3064\u306e\u7406\u7531<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-2\">\u30d0\u30b0\u3092\u9632\u3050\u305f\u3081\u306e\u521d\u671f\u5316\u306e\u57fa\u672c<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-3\">C++ \u914d\u5217\u306e\u521d\u671f\u5316\u624b\u6cd5\u3092\u5fb9\u5e95\u89e3\u8aac<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-4\">\u5f93\u6765\u306e\u914d\u5217\u521d\u671f\u5316\u624b\u6cd5\u3068\u6ce8\u610f\u70b9<\/a>      <\/li>      <li>        <a href=\"#i-5\">\u30e2\u30c0\u30f3C++\u306b\u3088\u308b\u914d\u5217\u521d\u671f\u5316\u306e\u65b0\u3057\u3044\u30a2\u30d7\u30ed\u30fc\u30c1<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-6\">std::array \u3092\u4f7f\u3063\u305f\u5b89\u5168\u306a\u521d\u671f\u5316\u30c6\u30af\u30cb\u30c3\u30af<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-7\">\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u5225\u30fb\u6700\u9069\u306a\u914d\u5217\u521d\u671f\u5316\u306e\u9078\u629e<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-8\">\u5927\u898f\u6a21\u30c7\u30fc\u30bf\u3092\u6271\u3046\u5834\u5408\u306e\u521d\u671f\u5316\u6226\u7565<\/a>      <\/li>      <li>        <a href=\"#i-9\">\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u91cd\u8996\u3059\u308b\u5834\u5408\u306e\u521d\u671f\u5316\u65b9\u6cd5<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-10\">\u30e1\u30e2\u30ea\u306e\u5b89\u5168\u6027\u3092\u78ba\u4fdd\u3059\u308b\u521d\u671f\u5316\u30c6\u30af\u30cb\u30c3\u30af<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-11\">\u914d\u5217\u521d\u671f\u5316\u306e\u3088\u304f\u3042\u308b\u30df\u30b9\u3068\u5bfe\u7b56<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-12\">\u521d\u671f\u5316\u5fd8\u308c\u306b\u3088\u308b\u30d0\u30b0\u306e\u4e88\u9632\u65b9\u6cd5<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-13\">\u7bc4\u56f2\u5916\u30a2\u30af\u30bb\u30b9\u3092\u9632\u3050\u521d\u671f\u5316\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-14\">\u5b9f\u8df5\u7684\u306a\u914d\u5217\u521d\u671f\u5316\u30c6\u30af\u30cb\u30c3\u30af<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-15\">\u578b\u306b\u4f9d\u5b58\u3057\u306a\u3044\u6c4e\u7528\u7684\u306a\u521d\u671f\u5316\u624b\u6cd5<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-16\">\u8907\u96d1\u306a\u30c7\u30fc\u30bf\u69cb\u9020\u3067\u306e\u914d\u5217\u521d\u671f\u5316\u306e\u30b3\u30c4<\/a>      <\/li>    <\/ul>  <\/li>  <li class=\"last\">    <a href=\"#i-17\">\u6b21\u306e\u30b9\u30c6\u30c3\u30d7\uff1a\u914d\u5217\u64cd\u4f5c\u306e\u5fdc\u7528<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-18\">\u521d\u671f\u5316\u5f8c\u306e\u52b9\u7387\u7684\u306a\u914d\u5217\u64cd\u4f5c\u65b9\u6cd5<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-19\">\u3055\u3089\u306a\u308b\u5b66\u7fd2\u306e\u305f\u3081\u306e\u30ea\u30bd\u30fc\u30b9\u7d39\u4ecb<\/a>      <\/li>    <\/ul>  <\/li><\/ul>\n      <a href=\"#\" class=\"sgb-toc-button js-toc-button\" rel=\"nofollow\" data-open-dialog=\"true\"><i class=\"fa fa-list\"><\/i><span class=\"sgb-toc-button__text\">\u76ee\u6b21\u3078<\/span><\/a>\n    <\/div><\/div><h2 class=\"wp-block-heading\" id=\"i-0\">C++ \u914d\u5217\u306e\u521d\u671f\u5316\u3068\u306f\uff1f \u57fa\u790e\u77e5\u8b58\u304b\u3089\u89e3\u8aac<\/h2>\n\n\n\n<p>\u914d\u5217\u306e\u521d\u671f\u5316\u306f\u3001C++\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306b\u304a\u3051\u308b\u6700\u3082\u57fa\u672c\u7684\u304b\u3064\u91cd\u8981\u306a\u64cd\u4f5c\u306e\u4e00\u3064\u3067\u3059\u3002\u9069\u5207\u306a\u521d\u671f\u5316\u3092\u884c\u3046\u3053\u3068\u3067\u3001\u4e88\u671f\u305b\u306c\u30d0\u30b0\u3092\u9632\u304e\u3001\u5b89\u5168\u3067\u52b9\u7387\u7684\u306a\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u4f5c\u6210\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-1\">\u914d\u5217\u521d\u671f\u5316\u304c\u91cd\u8981\u306a3\u3064\u306e\u7406\u7531<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30e1\u30e2\u30ea\u5b89\u5168\u6027\u306e\u78ba\u4fdd<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u672a\u521d\u671f\u5316\u306e\u914d\u5217\u306f\u4e0d\u5b9a\u5024\u3092\u542b\u307f\u3001\u4e88\u671f\u305b\u306c\u52d5\u4f5c\u306e\u539f\u56e0\u3068\u306a\u308a\u307e\u3059<\/li>\n\n\n\n<li>\u30b9\u30bf\u30c3\u30af\u9818\u57df\u306e\u914d\u5217\u306f\u81ea\u52d5\u7684\u306b\u30bc\u30ed\u521d\u671f\u5316\u3055\u308c\u306a\u3044\u305f\u3081\u3001\u660e\u793a\u7684\u306a\u521d\u671f\u5316\u304c\u5fc5\u8981\u3067\u3059<\/li>\n\n\n\n<li>\u30b0\u30ed\u30fc\u30d0\u30eb\u9818\u57df\u306e\u914d\u5217\u306f\u81ea\u52d5\u7684\u306b\u30bc\u30ed\u521d\u671f\u5316\u3055\u308c\u307e\u3059\u304c\u3001\u660e\u793a\u7684\u306a\u521d\u671f\u5316\u304c\u63a8\u5968\u3055\u308c\u307e\u3059<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30d0\u30b0\u306e\u4e88\u9632<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u521d\u671f\u5316\u3055\u308c\u3066\u3044\u306a\u3044\u5909\u6570\u306e\u4f7f\u7528\u306f\u672a\u5b9a\u7fa9\u52d5\u4f5c\u3092\u5f15\u304d\u8d77\u3053\u3057\u307e\u3059<\/li>\n\n\n\n<li>\u30c7\u30d0\u30c3\u30b0\u304c\u56f0\u96e3\u306a\u9593\u6b20\u7684\u306a\u30d0\u30b0\u306e\u4e3b\u306a\u539f\u56e0\u3068\u306a\u308a\u307e\u3059<\/li>\n\n\n\n<li>\u9759\u7684\u89e3\u6790\u30c4\u30fc\u30eb\u3067\u3082\u691c\u51fa\u304c\u96e3\u3057\u3044\u5834\u5408\u304c\u3042\u308a\u307e\u3059<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30b3\u30fc\u30c9\u306e\u53ef\u8aad\u6027\u3068\u4fdd\u5b88\u6027<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u660e\u793a\u7684\u306a\u521d\u671f\u5316\u306b\u3088\u308a\u3001\u914d\u5217\u306e\u610f\u56f3\u3057\u305f\u4f7f\u7528\u65b9\u6cd5\u304c\u660e\u78ba\u306b\u306a\u308a\u307e\u3059<\/li>\n\n\n\n<li>\u30c1\u30fc\u30e0\u958b\u767a\u306b\u304a\u3044\u3066\u3001\u4ed6\u306e\u958b\u767a\u8005\u306e\u7406\u89e3\u3092\u52a9\u3051\u307e\u3059<\/li>\n\n\n\n<li>\u5c06\u6765\u306e\u30b3\u30fc\u30c9\u4fee\u6b63\u6642\u306e\u30ea\u30b9\u30af\u3092\u8efd\u6e1b\u3057\u307e\u3059<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-2\">\u30d0\u30b0\u3092\u9632\u3050\u305f\u3081\u306e\u521d\u671f\u5316\u306e\u57fa\u672c<\/h3>\n\n\n\n<p>\u914d\u5217\u521d\u671f\u5316\u306b\u304a\u3044\u3066\u3001\u4ee5\u4e0b\u306e\u57fa\u672c\u539f\u5247\u3092\u62bc\u3055\u3048\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\uff1a<\/p>\n\n\n\n<p><strong>1. \u5ba3\u8a00\u6642\u306e\u521d\u671f\u5316<\/strong><\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u57fa\u672c\u7684\u306a\u521d\u671f\u5316\u65b9\u6cd5\nint numbers[5] = {1, 2, 3, 4, 5};  \/\/ \u660e\u793a\u7684\u306a\u5024\u3067\u306e\u521d\u671f\u5316\nint zeros[10] = {};                 \/\/ \u3059\u3079\u3066\u306e\u8981\u7d20\u30920\u3067\u521d\u671f\u5316<\/pre>\n\n\n\n<p><strong>2. \u30b5\u30a4\u30ba\u306e\u660e\u793a\u3068\u8981\u7d20\u6570\u306e\u4e00\u81f4<\/strong><\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u826f\u3044\u4f8b\uff1a\u30b5\u30a4\u30ba\u3068\u8981\u7d20\u6570\u304c\u4e00\u81f4\nint values[3] = {1, 2, 3};\n\n\/\/ \u6ce8\u610f\u304c\u5fc5\u8981\u306a\u4f8b\uff1a\u30b5\u30a4\u30ba\u3088\u308a\u5c11\u306a\u3044\u8981\u7d20\u3067\u306e\u521d\u671f\u5316\nint partial[5] = {1, 2};  \/\/ \u6b8b\u308a\u306e\u8981\u7d20\u306f0\u3067\u521d\u671f\u5316\u3055\u308c\u308b<\/pre>\n\n\n\n<p><strong>3. \u578b\u5b89\u5168\u6027\u306e\u78ba\u4fdd<\/strong><\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u578b\u306e\u4e00\u81f4\u306b\u6ce8\u610f\ndouble measurements[4] = {1.0, 2.0, 3.0, 4.0};  \/\/ OK\ndouble wrong[4] = {1, 2, 3, 4};                 \/\/ \u6697\u9ed9\u306e\u578b\u5909\u63db\uff08\u6ce8\u610f\u304c\u5fc5\u8981\uff09<\/pre>\n\n\n\n<p>\u521d\u671f\u5316\u306b\u304a\u3044\u3066\u7279\u306b\u6ce8\u610f\u3059\u3079\u304d\u70b9\uff1a<\/p>\n\n\n<div id=\"id-428e460c-4483-41d1-9d3b-8e944d651b4d\">\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u72b6\u6cc1<\/th><th>\u63a8\u5968\u3055\u308c\u308b\u5bfe\u5fdc<\/th><\/tr><\/thead><tbody><tr><td>\u5927\u898f\u6a21\u306a\u914d\u5217<\/td><td>\u30eb\u30fc\u30d7\u307e\u305f\u306f\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3092\u4f7f\u7528\u3057\u305f\u521d\u671f\u5316<\/td><\/tr><tr><td>\u52d5\u7684\u914d\u5217<\/td><td>\u30b9\u30de\u30fc\u30c8\u30dd\u30a4\u30f3\u30bf\u3068vector\u306e\u4f7f\u7528\u3092\u691c\u8a0e<\/td><\/tr><tr><td>\u591a\u6b21\u5143\u914d\u5217<\/td><td>\u5165\u308c\u5b50\u306e\u6ce2\u62ec\u5f27\u3092\u4f7f\u7528\u3057\u305f\u660e\u793a\u7684\u521d\u671f\u5316<\/td><\/tr><tr><td>\u5b9a\u6570\u914d\u5217<\/td><td>const\u4fee\u98fe\u5b50\u3068constexpr\u306e\u6d3b\u7528<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n\n\n<p>\u3053\u308c\u3089\u306e\u57fa\u672c\u3092\u7406\u89e3\u3057\u3001\u9069\u5207\u306b\u5b9f\u8df5\u3059\u308b\u3053\u3068\u3067\u3001\u591a\u304f\u306e\u4e00\u822c\u7684\u306a\u30d0\u30b0\u3092\u672a\u7136\u306b\u9632\u3050\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u3088\u308a\u5177\u4f53\u7684\u306a\u521d\u671f\u5316\u624b\u6cd5\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u898b\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-3\">C++ \u914d\u5217\u306e\u521d\u671f\u5316\u624b\u6cd5\u3092\u5fb9\u5e95\u89e3\u8aac<\/h2>\n\n\n\n<p>\u914d\u5217\u521d\u671f\u5316\u306e\u624b\u6cd5\u306f\u3001C++\u306e\u9032\u5316\u3068\u3068\u3082\u306b\u591a\u69d8\u5316\u3057\u3066\u304d\u307e\u3057\u305f\u3002\u3053\u3053\u3067\u306f\u3001\u5f93\u6765\u306e\u65b9\u6cd5\u304b\u3089\u30e2\u30c0\u30f3C++\u306b\u304a\u3051\u308b\u65b0\u3057\u3044\u30a2\u30d7\u30ed\u30fc\u30c1\u307e\u3067\u3001\u5b9f\u8df5\u7684\u306a\u521d\u671f\u5316\u624b\u6cd5\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-4\">\u5f93\u6765\u306e\u914d\u5217\u521d\u671f\u5316\u624b\u6cd5\u3068\u6ce8\u610f\u70b9<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u5f93\u6765\u306e\u521d\u671f\u5316\u69cb\u6587<\/strong><\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u57fa\u672c\u7684\u306a\u521d\u671f\u5316\nint classic[5] = {1, 2, 3, 4, 5};\n\n\/\/ \u90e8\u5206\u7684\u306a\u521d\u671f\u5316\uff08\u6b8b\u308a\u306f0\u3067\u521d\u671f\u5316\uff09\nint partial[5] = {1, 2, 3};\n\n\/\/ \u30b5\u30a4\u30ba\u7701\u7565\uff08\u8981\u7d20\u6570\u304b\u3089\u81ea\u52d5\u6c7a\u5b9a\uff09\nint auto_size[] = {1, 2, 3, 4, 5};  \/\/ \u30b5\u30a4\u30ba\u306f5\u306b\u6c7a\u5b9a\n\n\/\/ \u591a\u6b21\u5143\u914d\u5217\u306e\u521d\u671f\u5316\nint matrix[2][3] = {\n    {1, 2, 3},\n    {4, 5, 6}\n};<\/pre>\n\n\n\n<p><strong>\u6ce8\u610f\u70b9\u3068\u5236\u9650\u4e8b\u9805\uff1a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30b5\u30a4\u30ba\u6307\u5b9a\u3068\u521d\u671f\u5316\u5b50\u30ea\u30b9\u30c8\u306e\u8981\u7d20\u6570\u306e\u4e0d\u4e00\u81f4<\/li>\n\n\n\n<li>\u52d5\u7684\u914d\u5217\u3067\u306e\u5236\u9650<\/li>\n\n\n\n<li>\u578b\u5909\u63db\u6642\u306e\u6697\u9ed9\u7684\u306a\u5909\u63db\u30ea\u30b9\u30af<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-5\">\u30e2\u30c0\u30f3C++\u306b\u3088\u308b\u914d\u5217\u521d\u671f\u5316\u306e\u65b0\u3057\u3044\u30a2\u30d7\u30ed\u30fc\u30c1<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u7d71\u4e00\u521d\u671f\u5316\u69cb\u6587\uff08Uniform Initialization\uff09<\/strong><\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u6ce2\u62ec\u5f27\u521d\u671f\u5316\nint modern{5};                    \/\/ \u5358\u4e00\u8981\u7d20\nint numbers[]{1, 2, 3, 4, 5};    \/\/ \u914d\u5217\nstd::array&lt;int, 5&gt; arr{1, 2, 3, 4, 5};  \/\/ std::array\n\n\/\/ narrowing\u3092\u9632\u3050\ndouble values[]{1.0, 2.0, 3.0};  \/\/ OK\n\/\/ int narrow[]{1.1, 2.2, 3.3};  \/\/ \u30b3\u30f3\u30d1\u30a4\u30eb\u30a8\u30e9\u30fc\uff08narrowing\uff09<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>C++11\u4ee5\u964d\u306e\u65b0\u6a5f\u80fd<\/strong><\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u521d\u671f\u5316\u5b50\u30ea\u30b9\u30c8\nstd::initializer_list&lt;int&gt; init = {1, 2, 3, 4, 5};\nstd::vector&lt;int&gt; vec(init);\n\n\/\/ auto\u578b\u63a8\u8ad6\u3068\u306e\u7d44\u307f\u5408\u308f\u305b\nauto arr = std::array{1, 2, 3, 4, 5};  \/\/ C++17\u4ee5\u964d<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-6\">std::array \u3092\u4f7f\u3063\u305f\u5b89\u5168\u306a\u521d\u671f\u5316\u30c6\u30af\u30cb\u30c3\u30af<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u57fa\u672c\u7684\u306a\u4f7f\u7528\u65b9\u6cd5<\/strong><\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">#include &lt;array&gt;\n\n\/\/ \u6a19\u6e96\u7684\u306a\u521d\u671f\u5316\nstd::array&lt;int, 5&gt; safe_array = {1, 2, 3, 4, 5};\n\n\/\/ \u30c7\u30d5\u30a9\u30eb\u30c8\u521d\u671f\u5316\uff08\u3059\u3079\u30660\uff09\nstd::array&lt;int, 5&gt; zeros = {};\n\n\/\/ fill()\u306b\u3088\u308b\u4e00\u62ec\u521d\u671f\u5316\nstd::array&lt;int, 100&gt; filled;\nfilled.fill(42);<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>std::array\u306e\u5229\u70b9<\/strong><\/li>\n<\/ol>\n\n\n<div id=\"id-ed0c895f-5c03-4fe9-987c-86bc627ccaea\">\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u6a5f\u80fd<\/th><th>\u30e1\u30ea\u30c3\u30c8<\/th><\/tr><\/thead><tbody><tr><td>\u30b5\u30a4\u30ba\u30c1\u30a7\u30c3\u30af<\/td><td>\u5883\u754c\u5916\u30a2\u30af\u30bb\u30b9\u306e\u9632\u6b62<\/td><\/tr><tr><td>\u30a4\u30c6\u30ec\u30fc\u30bf\u30b5\u30dd\u30fc\u30c8<\/td><td>\u6a19\u6e96\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3068\u306e\u9023\u643a<\/td><\/tr><tr><td>\u914d\u5217\u30b5\u30a4\u30ba\u306e\u53d6\u5f97<\/td><td>size()\u30e1\u30bd\u30c3\u30c9\u3067\u7c21\u5358\u306b\u53d6\u5f97\u53ef\u80fd<\/td><\/tr><tr><td>\u8981\u7d20\u30a2\u30af\u30bb\u30b9<\/td><td>at()\u306b\u3088\u308b\u5b89\u5168\u306a\u30a2\u30af\u30bb\u30b9<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li><strong>\u9ad8\u5ea6\u306a\u521d\u671f\u5316\u30c6\u30af\u30cb\u30c3\u30af<\/strong><\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u30ab\u30b9\u30bf\u30e0\u578b\u3068\u306e\u4f7f\u7528\nstruct Point { int x, y; };\nstd::array&lt;Point, 3&gt; points = {{{1,2}, {3,4}, {5,6}}};\n\n\/\/ \u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3092\u4f7f\u7528\u3057\u305f\u521d\u671f\u5316\nstd::array&lt;int, 5&gt; sequence;\nstd::iota(sequence.begin(), sequence.end(), 1);  \/\/ 1\u304b\u3089\u59cb\u307e\u308b\u9023\u756a\n\n\/\/ \u30e9\u30e0\u30c0\u5f0f\u3092\u4f7f\u7528\u3057\u305f\u521d\u671f\u5316\nstd::array&lt;int, 5&gt; computed;\nstd::generate(computed.begin(), computed.end(), \n    [n = 0]() mutable { return n++ * 2; });  \/\/ 0,2,4,6,8<\/pre>\n\n\n\n<p>\u5b9f\u88c5\u306e\u30dd\u30a4\u30f3\u30c8\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u53ef\u80fd\u306a\u9650\u308a<code>std::array<\/code>\u3092\u4f7f\u7528\u3059\u308b<\/li>\n\n\n\n<li>\u5883\u754c\u30c1\u30a7\u30c3\u30af\u304c\u5fc5\u8981\u306a\u5834\u5408\u306f<code>at()<\/code>\u30e1\u30bd\u30c3\u30c9\u3092\u6d3b\u7528<\/li>\n\n\n\n<li>\u578b\u5b89\u5168\u6027\u3092\u78ba\u4fdd\u3059\u308b\u305f\u3081\u3001\u7d71\u4e00\u521d\u671f\u5316\u69cb\u6587\u3092\u512a\u5148\u7684\u306b\u4f7f\u7528<\/li>\n\n\n\n<li>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u304c\u91cd\u8981\u306a\u5834\u5408\u306f\u5f93\u6765\u306e\u914d\u5217\u3082\u691c\u8a0e<\/li>\n<\/ol>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u521d\u671f\u5316\u624b\u6cd5\u3092\u72b6\u6cc1\u306b\u5fdc\u3058\u3066\u9069\u5207\u306b\u9078\u629e\u3059\u308b\u3053\u3068\u3067\u3001\u5b89\u5168\u3067\u4fdd\u5b88\u6027\u306e\u9ad8\u3044\u30b3\u30fc\u30c9\u3092\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u5177\u4f53\u7684\u306a\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u306b\u57fa\u3065\u3044\u3066\u3001\u6700\u9069\u306a\u521d\u671f\u5316\u65b9\u6cd5\u306e\u9078\u629e\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-7\">\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u5225\u30fb\u6700\u9069\u306a\u914d\u5217\u521d\u671f\u5316\u306e\u9078\u629e<\/h2>\n\n\n\n<p>\u5b9f\u969b\u306e\u958b\u767a\u73fe\u5834\u3067\u306f\u3001\u69d8\u3005\u306a\u8981\u4ef6\u306b\u5fdc\u3058\u3066\u6700\u9069\u306a\u914d\u5217\u521d\u671f\u5316\u65b9\u6cd5\u3092\u9078\u629e\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u4ee3\u8868\u7684\u306a\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u3054\u3068\u306b\u63a8\u5968\u3055\u308c\u308b\u521d\u671f\u5316\u65b9\u6cd5\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-8\">\u5927\u898f\u6a21\u30c7\u30fc\u30bf\u3092\u6271\u3046\u5834\u5408\u306e\u521d\u671f\u5316\u6226\u7565<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30e1\u30e2\u30ea\u52b9\u7387\u3092\u8003\u616e\u3057\u305f\u521d\u671f\u5316<\/strong><\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u5927\u898f\u6a21\u914d\u5217\u306e\u52b9\u7387\u7684\u306a\u521d\u671f\u5316\nstd::vector&lt;int&gt; large_data;\nlarge_data.reserve(1000000);  \/\/ \u30e1\u30e2\u30ea\u306e\u4e8b\u524d\u78ba\u4fdd\n\n\/\/ \u30d6\u30ed\u30c3\u30af\u5358\u4f4d\u3067\u306e\u521d\u671f\u5316\nconstexpr size_t BLOCK_SIZE = 1024;\nfor (size_t i = 0; i &lt; 1000000; i += BLOCK_SIZE) {\n    size_t chunk_size = std::min(BLOCK_SIZE, 1000000 - i);\n    std::fill_n(std::back_inserter(large_data), chunk_size, 0);\n}<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>\u30e1\u30e2\u30ea\u30de\u30c3\u30d4\u30f3\u30b0\u3092\u6d3b\u7528\u3057\u305f\u521d\u671f\u5316<\/strong><\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">#include &lt;fcntl.h&gt;\n#include &lt;sys\/mman.h&gt;\n\n\/\/ \u30e1\u30e2\u30ea\u30de\u30c3\u30d4\u30f3\u30b0\u3092\u4f7f\u7528\u3057\u305f\u5927\u898f\u6a21\u914d\u5217\u306e\u521d\u671f\u5316\nclass MappedArray {\n    void* mapped_memory;\n    size_t size;\npublic:\n    MappedArray(size_t bytes) {\n        mapped_memory = mmap(nullptr, bytes, PROT_READ | PROT_WRITE,\n                           MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);\n        size = bytes;\n    }\n    ~MappedArray() {\n        munmap(mapped_memory, size);\n    }\n};<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-9\">\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u91cd\u8996\u3059\u308b\u5834\u5408\u306e\u521d\u671f\u5316\u65b9\u6cd5<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u9ad8\u901f\u306a\u521d\u671f\u5316\u30c6\u30af\u30cb\u30c3\u30af<\/strong><\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ SSE\/AVX\u3092\u6d3b\u7528\u3057\u305f\u9ad8\u901f\u521d\u671f\u5316\n#include &lt;immintrin.h&gt;\n\nvoid fast_initialize(float* array, size_t size, float value) {\n    \/\/ 16\u30d0\u30a4\u30c8\u30a2\u30e9\u30a4\u30e1\u30f3\u30c8\n    __m128 val = _mm_set1_ps(value);\n    for (size_t i = 0; i &lt; size; i += 4) {\n        _mm_store_ps(&amp;array[i], val);\n    }\n}\n\n\/\/ \u30e1\u30e2\u30ea\u30a2\u30e9\u30a4\u30e1\u30f3\u30c8\u3092\u8003\u616e\u3057\u305f\u914d\u5217\u5ba3\u8a00\nalignas(16) float aligned_array[1024];<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>\u6700\u9069\u5316\u306e\u305f\u3081\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/strong><\/li>\n<\/ol>\n\n\n<div id=\"id-548ed409-99c0-47a4-85b6-71ed81e1d613\">\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u521d\u671f\u5316\u30d1\u30bf\u30fc\u30f3<\/th><th>\u7528\u9014<\/th><th>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u7279\u6027<\/th><\/tr><\/thead><tbody><tr><td>memset<\/td><td>\u30bc\u30ed\u521d\u671f\u5316<\/td><td>\u975e\u5e38\u306b\u9ad8\u901f<\/td><\/tr><tr><td>std::fill<\/td><td>\u4efb\u610f\u306e\u5024\u3067\u306e\u521d\u671f\u5316<\/td><td>\u6bd4\u8f03\u7684\u9ad8\u901f<\/td><\/tr><tr><td>\u30eb\u30fc\u30d7\u5c55\u958b<\/td><td>\u30ab\u30b9\u30bf\u30e0\u521d\u671f\u5316<\/td><td>\u30b3\u30f3\u30d1\u30a4\u30e9\u6700\u9069\u5316\u53ef\u80fd<\/td><\/tr><tr><td>SIMD\u547d\u4ee4<\/td><td>\u5927\u898f\u6a21\u30c7\u30fc\u30bf\u306e\u4e26\u5217\u521d\u671f\u5316<\/td><td>\u6700\u9ad8\u901f<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n\n\n<h3 class=\"wp-block-heading\" id=\"i-10\">\u30e1\u30e2\u30ea\u306e\u5b89\u5168\u6027\u3092\u78ba\u4fdd\u3059\u308b\u521d\u671f\u5316\u30c6\u30af\u30cb\u30c3\u30af<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u5883\u754c\u30c1\u30a7\u30c3\u30af\u4ed8\u304d\u521d\u671f\u5316<\/strong><\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">template&lt;typename T, size_t N&gt;\nclass SafeArray {\n    std::array&lt;T, N&gt; data;\n\npublic:\n    \/\/ \u5b89\u5168\u306a\u521d\u671f\u5316\u5b50\n    template&lt;typename... Args&gt;\n    SafeArray(Args&amp;&amp;... args) : data{std::forward&lt;Args&gt;(args)...} {\n        static_assert(sizeof...(args) &lt;= N, \"Too many initializers\");\n    }\n\n    \/\/ \u5883\u754c\u30c1\u30a7\u30c3\u30af\u4ed8\u304d\u30a2\u30af\u30bb\u30b9\n    T&amp; at(size_t index) {\n        if (index &gt;= N) {\n            throw std::out_of_range(\"Index out of bounds\");\n        }\n        return data[index];\n    }\n};\n\n\/\/ \u4f7f\u7528\u4f8b\nSafeArray&lt;int, 5&gt; safe_nums{1, 2, 3, 4, 5};<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>\u30b9\u30de\u30fc\u30c8\u30dd\u30a4\u30f3\u30bf\u3092\u6d3b\u7528\u3057\u305f\u52d5\u7684\u914d\u5217<\/strong><\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ unique_ptr\u3092\u4f7f\u7528\u3057\u305f\u5b89\u5168\u306a\u52d5\u7684\u914d\u5217\nauto create_safe_array(size_t size) {\n    return std::make_unique&lt;int[]&gt;(size);\n}\n\n\/\/ \u5171\u6709\u30ea\u30bd\u30fc\u30b9\u3068\u3057\u3066\u306e\u914d\u5217\nauto shared_array = std::make_shared&lt;std::array&lt;int, 1000&gt;&gt;();<\/pre>\n\n\n\n<p>\u5b9f\u88c5\u6642\u306e\u91cd\u8981\u306a\u30dd\u30a4\u30f3\u30c8\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u5927\u898f\u6a21\u30c7\u30fc\u30bf\u51e6\u7406\u6642\u306e\u8003\u616e\u4e8b\u9805<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30e1\u30e2\u30ea\u65ad\u7247\u5316\u306e\u9632\u6b62<\/li>\n\n\n\n<li>\u30ad\u30e3\u30c3\u30b7\u30e5\u52b9\u7387\u306e\u6700\u9069\u5316<\/li>\n\n\n\n<li>\u30e1\u30e2\u30ea\u4f7f\u7528\u91cf\u306e\u76e3\u8996<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316\u306e\u30b3\u30c4<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30b3\u30f3\u30d1\u30a4\u30e9\u306e\u6700\u9069\u5316\u30aa\u30d7\u30b7\u30e7\u30f3\u306e\u6d3b\u7528<\/li>\n\n\n\n<li>\u30e1\u30e2\u30ea\u30a2\u30e9\u30a4\u30e1\u30f3\u30c8\u306e\u8003\u616e<\/li>\n\n\n\n<li>\u30ad\u30e3\u30c3\u30b7\u30e5\u30e9\u30a4\u30f3\u306e\u610f\u8b58<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30e1\u30e2\u30ea\u5b89\u5168\u6027\u78ba\u4fdd\u306e\u539f\u5247<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u9759\u7684\u30b5\u30a4\u30ba\u30c1\u30a7\u30c3\u30af<\/li>\n\n\n\n<li>\u4f8b\u5916\u5b89\u5168\u6027\u306e\u78ba\u4fdd<\/li>\n\n\n\n<li>\u30ea\u30bd\u30fc\u30b9\u7ba1\u7406\u306e\u81ea\u52d5\u5316<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u306b\u5fdc\u3058\u305f\u521d\u671f\u5316\u65b9\u6cd5\u3092\u9069\u5207\u306b\u9078\u629e\u3059\u308b\u3053\u3068\u3067\u3001\u5b89\u5168\u3067\u52b9\u7387\u7684\u306a\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u5b9f\u88c5\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u914d\u5217\u521d\u671f\u5316\u6642\u306b\u3088\u304f\u767a\u751f\u3059\u308b\u30df\u30b9\u3068\u305d\u306e\u5bfe\u7b56\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-11\">\u914d\u5217\u521d\u671f\u5316\u306e\u3088\u304f\u3042\u308b\u30df\u30b9\u3068\u5bfe\u7b56<\/h2>\n\n\n\n<p>C++\u306b\u304a\u3051\u308b\u914d\u5217\u521d\u671f\u5316\u306b\u95a2\u9023\u3059\u308b\u30d0\u30b0\u306f\u3001\u6df1\u523b\u306a\u554f\u984c\u3092\u5f15\u304d\u8d77\u3053\u3059\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u4e00\u822c\u7684\u306a\u30df\u30b9\u3068\u305d\u306e\u9632\u6b62\u65b9\u6cd5\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-12\">\u521d\u671f\u5316\u5fd8\u308c\u306b\u3088\u308b\u30d0\u30b0\u306e\u4e88\u9632\u65b9\u6cd5<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u672a\u521d\u671f\u5316\u5909\u6570\u306e\u554f\u984c<\/strong><\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u554f\u984c\u306e\u3042\u308b\u30b3\u30fc\u30c9\nint values[100];\nfor (int i = 1; i &lt; 100; i++) {  \/\/ i=0\u304c\u629c\u3051\u3066\u3044\u308b\n    values[i] = i;\n}\n\/\/ values[0]\u306f\u672a\u521d\u671f\u5316\u306e\u307e\u307e\n\n\/\/ \u6539\u5584\u3055\u308c\u305f\u30b3\u30fc\u30c9\nint values[100] = {};  \/\/ \u30bc\u30ed\u521d\u671f\u5316\u3092\u4fdd\u8a3c\nfor (int i = 0; i &lt; 100; i++) {\n    values[i] = i;\n}<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>\u9759\u7684\u89e3\u6790\u306b\u3088\u308b\u691c\u51fa<\/strong><\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ -Wall -Wextra \u30aa\u30d7\u30b7\u30e7\u30f3\u3067\u691c\u51fa\u53ef\u80fd\u306a\u554f\u984c\nvoid example() {\n    int data[10];           \/\/ \u8b66\u544a\uff1a\u672a\u521d\u671f\u5316\n    process_data(data, 10); \/\/ \u6f5c\u5728\u7684\u306a\u554f\u984c\n}\n\n\/\/ \u4fee\u6b63\u7248\nvoid safe_example() {\n    int data[10] = {};      \/\/ \u660e\u793a\u7684\u306a\u521d\u671f\u5316\n    process_data(data, 10); \/\/ \u5b89\u5168\n}<\/pre>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li><strong>\u521d\u671f\u5316\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8<\/strong><\/li>\n<\/ol>\n\n\n<div id=\"id-cf4185e3-cbc7-4d44-8025-88dc86e52c53\">\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u30c1\u30a7\u30c3\u30af\u9805\u76ee<\/th><th>\u5bfe\u7b56<\/th><\/tr><\/thead><tbody><tr><td>\u30b9\u30bf\u30c3\u30af\u914d\u5217<\/td><td>\u5fc5\u305a\u660e\u793a\u7684\u306b\u521d\u671f\u5316\u3059\u308b<\/td><\/tr><tr><td>\u30af\u30e9\u30b9\u30e1\u30f3\u30d0\u914d\u5217<\/td><td>\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u3067\u521d\u671f\u5316<\/td><\/tr><tr><td>\u30b0\u30ed\u30fc\u30d0\u30eb\u914d\u5217<\/td><td>\u9759\u7684\u521d\u671f\u5316\u3092\u6d3b\u7528<\/td><\/tr><tr><td>\u52d5\u7684\u914d\u5217<\/td><td>\u30b9\u30de\u30fc\u30c8\u30dd\u30a4\u30f3\u30bf\u3068\u521d\u671f\u5316\u3092\u7d44\u307f\u5408\u308f\u305b\u308b<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n\n\n<h3 class=\"wp-block-heading\" id=\"i-13\">\u7bc4\u56f2\u5916\u30a2\u30af\u30bb\u30b9\u3092\u9632\u3050\u521d\u671f\u5316\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u5883\u754c\u30c1\u30a7\u30c3\u30af\u306e\u5b9f\u88c5<\/strong><\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">template&lt;typename T&gt;\nclass BoundedArray {\nprivate:\n    std::vector&lt;T&gt; data;\n\npublic:\n    \/\/ \u5b89\u5168\u306a\u521d\u671f\u5316\u5b50\n    BoundedArray(size_t size) : data(size) {}\n\n    T&amp; operator[](size_t index) {\n        return data.at(index);  \/\/ \u7bc4\u56f2\u30c1\u30a7\u30c3\u30af\u4ed8\u304d\u30a2\u30af\u30bb\u30b9\n    }\n\n    size_t size() const { return data.size(); }\n};\n\n\/\/ \u4f7f\u7528\u4f8b\nBoundedArray&lt;int&gt; safe_array(10);\ntry {\n    safe_array[5] = 42;    \/\/ OK\n    safe_array[10] = 100;  \/\/ \u4f8b\u5916\u767a\u751f\n} catch (const std::out_of_range&amp; e) {\n    std::cerr &lt;&lt; \"\u7bc4\u56f2\u5916\u30a2\u30af\u30bb\u30b9\u3092\u691c\u51fa: \" &lt;&lt; e.what() &lt;&lt; std::endl;\n}<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>\u3088\u304f\u3042\u308b\u521d\u671f\u5316\u30df\u30b9\u3068\u305d\u306e\u5bfe\u7b56<\/strong><\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u30df\u30b91: \u30b5\u30a4\u30ba\u3068\u521d\u671f\u5316\u5b50\u306e\u4e0d\u4e00\u81f4\nint wrong[3] = {1, 2, 3, 4};  \/\/ \u30b3\u30f3\u30d1\u30a4\u30eb\u30a8\u30e9\u30fc\n\n\/\/ \u30df\u30b92: \u4e0d\u5b8c\u5168\u306a\u591a\u6b21\u5143\u914d\u5217\u306e\u521d\u671f\u5316\nint matrix[][2] = {\n    {1},       \/\/ 2\u756a\u76ee\u306e\u8981\u7d20\u304c\u672a\u521d\u671f\u5316\n    {2, 3}\n};\n\n\/\/ \u6b63\u3057\u3044\u521d\u671f\u5316\nint correct[][2] = {\n    {1, 0},    \/\/ \u3059\u3079\u3066\u306e\u8981\u7d20\u3092\u660e\u793a\u7684\u306b\u521d\u671f\u5316\n    {2, 3}\n};\n\n\/\/ \u30df\u30b93: \u52d5\u7684\u914d\u5217\u306e\u521d\u671f\u5316\u5fd8\u308c\nint* dynamic = new int[100];  \/\/ \u672a\u521d\u671f\u5316\n\n\/\/ \u6b63\u3057\u3044\u65b9\u6cd5\nint* safe_dynamic = new int[100]();  \/\/ \u30bc\u30ed\u521d\u671f\u5316\nstd::unique_ptr&lt;int[]&gt; safer(new int[100]()); \/\/ \u3055\u3089\u306b\u5b89\u5168<\/pre>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li><strong>\u30c7\u30d0\u30c3\u30b0\u306e\u305f\u3081\u306e\u30c4\u30fc\u30eb\u3068\u624b\u6cd5<\/strong><\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u30a2\u30b5\u30fc\u30b7\u30e7\u30f3\u6d3b\u7528\u4f8b\ntemplate&lt;typename T, size_t N&gt;\nvoid initialize_array(std::array&lt;T, N&gt;&amp; arr, const T&amp; value) {\n    static_assert(N &gt; 0, \"Array size must be positive\");\n    assert(arr.size() == N);  \/\/ \u5b9f\u884c\u6642\u30c1\u30a7\u30c3\u30af\n    arr.fill(value);\n}\n\n\/\/ \u30c7\u30d0\u30c3\u30b0\u652f\u63f4\u95a2\u6570\ntemplate&lt;typename T, size_t N&gt;\nvoid debug_print_array(const std::array&lt;T, N&gt;&amp; arr, \n                      const char* name = \"array\") {\n    std::cout &lt;&lt; name &lt;&lt; \" contents:\\n\";\n    for (size_t i = 0; i &lt; N; ++i) {\n        std::cout &lt;&lt; \"[\" &lt;&lt; i &lt;&lt; \"] = \" &lt;&lt; arr[i] &lt;&lt; '\\n';\n    }\n}<\/pre>\n\n\n\n<p>\u5b89\u5168\u306a\u5b9f\u88c5\u306e\u305f\u3081\u306e\u30dd\u30a4\u30f3\u30c8\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30b3\u30f3\u30d1\u30a4\u30eb\u6642\u306e\u4e88\u9632<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>-Wall -Wextra \u306e\u4f7f\u7528<\/li>\n\n\n\n<li>static_assert \u306e\u6d3b\u7528<\/li>\n\n\n\n<li>constexpr \u306e\u6d3b\u7528<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u5b9f\u884c\u6642\u306e\u9632\u5fa1<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7bc4\u56f2\u30c1\u30a7\u30c3\u30af<\/li>\n\n\n\n<li>\u4f8b\u5916\u51e6\u7406<\/li>\n\n\n\n<li>\u30a2\u30b5\u30fc\u30b7\u30e7\u30f3<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30b3\u30fc\u30c9\u30ec\u30d3\u30e5\u30fc\u306e\u30c1\u30a7\u30c3\u30af\u30dd\u30a4\u30f3\u30c8<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u521d\u671f\u5316\u306e\u5b8c\u5168\u6027<\/li>\n\n\n\n<li>\u5883\u754c\u6761\u4ef6\u306e\u51e6\u7406<\/li>\n\n\n\n<li>\u30ea\u30bd\u30fc\u30b9\u7ba1\u7406\u306e\u4e00\u8cab\u6027<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u5bfe\u7b56\u3092\u9069\u5207\u306b\u5b9f\u88c5\u3059\u308b\u3053\u3068\u3067\u3001\u591a\u304f\u306e\u4e00\u822c\u7684\u306a\u30d0\u30b0\u3092\u672a\u7136\u306b\u9632\u3050\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u3088\u308a\u5b9f\u8df5\u7684\u306a\u914d\u5217\u521d\u671f\u5316\u306e\u30c6\u30af\u30cb\u30c3\u30af\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-14\">\u5b9f\u8df5\u7684\u306a\u914d\u5217\u521d\u671f\u5316\u30c6\u30af\u30cb\u30c3\u30af<\/h2>\n\n\n\n<p>\u5b9f\u969b\u306e\u958b\u767a\u73fe\u5834\u3067\u306f\u3001\u5358\u7d14\u306a\u914d\u5217\u521d\u671f\u5316\u3060\u3051\u3067\u306a\u304f\u3001\u3088\u308a\u8907\u96d1\u3067\u9ad8\u5ea6\u306a\u521d\u671f\u5316\u624b\u6cd5\u304c\u5fc5\u8981\u3068\u306a\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u5b9f\u8df5\u7684\u306a\u521d\u671f\u5316\u30c6\u30af\u30cb\u30c3\u30af\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-15\">\u578b\u306b\u4f9d\u5b58\u3057\u306a\u3044\u6c4e\u7528\u7684\u306a\u521d\u671f\u5316\u624b\u6cd5<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u3092\u6d3b\u7528\u3057\u305f\u521d\u671f\u5316<\/strong><\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u6c4e\u7528\u7684\u306a\u914d\u5217\u521d\u671f\u5316\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\ntemplate&lt;typename T, size_t N&gt;\nclass InitializerArray {\n    std::array&lt;T, N&gt; data;\n\npublic:\n    \/\/ \u53ef\u5909\u5f15\u6570\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u3092\u4f7f\u7528\u3057\u305f\u521d\u671f\u5316\n    template&lt;typename... Args&gt;\n    InitializerArray(Args&amp;&amp;... args) : \n        data{std::forward&lt;Args&gt;(args)...} {\n        static_assert(sizeof...(args) &lt;= N, \n                     \"Too many initializers\");\n    }\n\n    \/\/ \u30a4\u30cb\u30b7\u30e3\u30e9\u30a4\u30b6\u95a2\u6570\u306b\u3088\u308b\u521d\u671f\u5316\n    template&lt;typename Func&gt;\n    void initialize_with(Func&amp;&amp; initializer) {\n        for (size_t i = 0; i &lt; N; ++i) {\n            data[i] = initializer(i);\n        }\n    }\n\n    \/\/ \u30a2\u30af\u30bb\u30b5\n    const T&amp; operator[](size_t i) const { return data[i]; }\n    T&amp; operator[](size_t i) { return data[i]; }\n};\n\n\/\/ \u4f7f\u7528\u4f8b\nInitializerArray&lt;int, 5&gt; numbers(1, 2, 3, 4, 5);\nInitializerArray&lt;double, 4&gt; sequence;\nsequence.initialize_with([](size_t i) { return i * 1.5; });<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>SFINAE\uff08\u4ee3\u5165\u4e92\u63db\u6027\u30c1\u30a7\u30c3\u30af\uff09\u3092\u4f7f\u7528\u3057\u305f\u5b89\u5168\u306a\u521d\u671f\u5316<\/strong><\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">template&lt;typename T&gt;\nclass TypeSafeArray {\n    std::vector&lt;T&gt; data;\n\n    \/\/ \u4ee3\u5165\u4e92\u63db\u6027\u30c1\u30a7\u30c3\u30af\n    template&lt;typename U&gt;\n    using AssignableFrom = std::enable_if_t&lt;\n        std::is_assignable_v&lt;T&amp;, U&amp;&amp;&gt;\n    &gt;;\n\npublic:\n    \/\/ \u578b\u5b89\u5168\u306a\u8ffd\u52a0\u30e1\u30bd\u30c3\u30c9\n    template&lt;typename U, typename = AssignableFrom&lt;U&gt;&gt;\n    void add(U&amp;&amp; value) {\n        data.push_back(std::forward&lt;U&gt;(value));\n    }\n};<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-16\">\u8907\u96d1\u306a\u30c7\u30fc\u30bf\u69cb\u9020\u3067\u306e\u914d\u5217\u521d\u671f\u5316\u306e\u30b3\u30c4<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30ab\u30b9\u30bf\u30e0\u578b\u306e\u914d\u5217\u521d\u671f\u5316<\/strong><\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u8907\u96d1\u306a\u30c7\u30fc\u30bf\u69cb\u9020\u306e\u4f8b\nstruct ComplexData {\n    std::string name;\n    std::vector&lt;int&gt; values;\n    double ratio;\n\n    \/\/ \u521d\u671f\u5316\u3092\u5bb9\u6613\u306b\u3059\u308b\u305f\u3081\u306e\u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\n    ComplexData(std::string_view n, \n                std::initializer_list&lt;int&gt; v,\n                double r) : \n        name(n), values(v), ratio(r) {}\n};\n\n\/\/ \u8907\u96d1\u306a\u30c7\u30fc\u30bf\u69cb\u9020\u306e\u914d\u5217\u3092\u521d\u671f\u5316\nstd::array&lt;ComplexData, 3&gt; complex_array{{\n    {\"First\",  {1, 2, 3}, 0.5},\n    {\"Second\", {4, 5, 6}, 1.0},\n    {\"Third\",  {7, 8, 9}, 1.5}\n}};<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>\u521d\u671f\u5316\u30d1\u30bf\u30fc\u30f3\u306e\u5b9f\u88c5<\/strong><\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u30d5\u30a1\u30af\u30c8\u30ea\u30d1\u30bf\u30fc\u30f3\u3092\u4f7f\u7528\u3057\u305f\u521d\u671f\u5316\ntemplate&lt;typename T&gt;\nclass ArrayFactory {\npublic:\n    static std::vector&lt;T&gt; create_sequence(size_t size, T start, T step) {\n        std::vector&lt;T&gt; result;\n        result.reserve(size);\n        for (size_t i = 0; i &lt; size; ++i) {\n            result.push_back(start + step * static_cast&lt;T&gt;(i));\n        }\n        return result;\n    }\n\n    static std::vector&lt;T&gt; create_geometric(size_t size, T start, T ratio) {\n        std::vector&lt;T&gt; result;\n        result.reserve(size);\n        T current = start;\n        for (size_t i = 0; i &lt; size; ++i) {\n            result.push_back(current);\n            current *= ratio;\n        }\n        return result;\n    }\n};\n\n\/\/ \u4f7f\u7528\u4f8b\nauto arithmetic = ArrayFactory&lt;double&gt;::create_sequence(5, 1.0, 0.5);\nauto geometric = ArrayFactory&lt;double&gt;::create_geometric(5, 1.0, 2.0);<\/pre>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li><strong>\u9ad8\u5ea6\u306a\u521d\u671f\u5316\u30d1\u30bf\u30fc\u30f3\u96c6<\/strong><\/li>\n<\/ol>\n\n\n<div id=\"id-d28a5b07-aa37-457d-8b8c-19b53423a0c3\">\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u30d1\u30bf\u30fc\u30f3<\/th><th>\u4f7f\u7528\u5834\u9762<\/th><th>\u5b9f\u88c5\u65b9\u6cd5<\/th><\/tr><\/thead><tbody><tr><td>\u9045\u5ef6\u521d\u671f\u5316<\/td><td>\u5927\u898f\u6a21\u30c7\u30fc\u30bf<\/td><td>\u30d7\u30ed\u30ad\u30b7\u30d1\u30bf\u30fc\u30f3<\/td><\/tr><tr><td>\u90e8\u5206\u521d\u671f\u5316<\/td><td>\u30e1\u30e2\u30ea\u52b9\u7387\u5316<\/td><td>\u30b9\u30d1\u30fc\u30b9\u914d\u5217<\/td><\/tr><tr><td>\u4e26\u5217\u521d\u671f\u5316<\/td><td>\u9ad8\u901f\u5316<\/td><td>\u30b9\u30ec\u30c3\u30c9\u30d7\u30fc\u30eb<\/td><\/tr><tr><td>\u6761\u4ef6\u4ed8\u304d\u521d\u671f\u5316<\/td><td>\u52d5\u7684\u306a\u8981\u4ef6<\/td><td>\u30b9\u30c8\u30e9\u30c6\u30b8\u30fc\u30d1\u30bf\u30fc\u30f3<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n\n\n<ol start=\"4\" class=\"wp-block-list\">\n<li><strong>\u5b9f\u88c5\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/strong><\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u4e26\u5217\u521d\u671f\u5316\u306e\u4f8b\ntemplate&lt;typename T&gt;\nclass ParallelArrayInitializer {\n    static constexpr size_t BLOCK_SIZE = 1024;\n\npublic:\n    static void initialize(std::vector&lt;T&gt;&amp; arr,\n                          const std::function&lt;T(size_t)&gt;&amp; generator) {\n        const size_t size = arr.size();\n        const size_t num_threads = \n            std::min(std::thread::hardware_concurrency(),\n                    (size + BLOCK_SIZE - 1) \/ BLOCK_SIZE);\n\n        std::vector&lt;std::thread&gt; threads;\n        threads.reserve(num_threads);\n\n        for (size_t t = 0; t &lt; num_threads; ++t) {\n            threads.emplace_back([&amp;, t]() {\n                const size_t start = t * BLOCK_SIZE;\n                const size_t end = std::min(start + BLOCK_SIZE, size);\n                for (size_t i = start; i &lt; end; ++i) {\n                    arr[i] = generator(i);\n                }\n            });\n        }\n\n        for (auto&amp; thread : threads) {\n            thread.join();\n        }\n    }\n};<\/pre>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u5b9f\u8df5\u7684\u306a\u30c6\u30af\u30cb\u30c3\u30af\u3092\u9069\u5207\u306b\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001\u52b9\u7387\u7684\u3067\u4fdd\u5b88\u6027\u306e\u9ad8\u3044\u914d\u5217\u521d\u671f\u5316\u3092\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u3055\u3089\u306a\u308b\u5b66\u7fd2\u306e\u305f\u3081\u306e\u30ea\u30bd\u30fc\u30b9\u3068\u5fdc\u7528\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-17\">\u6b21\u306e\u30b9\u30c6\u30c3\u30d7\uff1a\u914d\u5217\u64cd\u4f5c\u306e\u5fdc\u7528<\/h2>\n\n\n\n<p>\u914d\u5217\u306e\u521d\u671f\u5316\u306b\u3064\u3044\u3066\u57fa\u672c\u304b\u3089\u5b9f\u8df5\u7684\u306a\u30c6\u30af\u30cb\u30c3\u30af\u307e\u3067\u5b66\u3093\u3067\u304d\u307e\u3057\u305f\u304c\u3001\u3053\u3053\u304b\u3089\u3055\u3089\u306b\u767a\u5c55\u7684\u306a\u5185\u5bb9\u3078\u3068\u9032\u3093\u3067\u3044\u304d\u307e\u3057\u3087\u3046\u3002\u3053\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u521d\u671f\u5316\u5f8c\u306e\u52b9\u7387\u7684\u306a\u914d\u5217\u64cd\u4f5c\u65b9\u6cd5\u3068\u3001\u3055\u3089\u306a\u308b\u5b66\u7fd2\u306e\u305f\u3081\u306e\u30ea\u30bd\u30fc\u30b9\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-18\">\u521d\u671f\u5316\u5f8c\u306e\u52b9\u7387\u7684\u306a\u914d\u5217\u64cd\u4f5c\u65b9\u6cd5<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>STL\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306e\u6d3b\u7528<\/strong><\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">#include &lt;algorithm&gt;\n#include &lt;numeric&gt;\n\ntemplate&lt;typename T, size_t N&gt;\nclass ArrayOperations {\n    std::array&lt;T, N&gt; data;\n\npublic:\n    \/\/ \u8981\u7d20\u306e\u5909\u63db\n    template&lt;typename Func&gt;\n    void transform(Func&amp;&amp; f) {\n        std::transform(data.begin(), data.end(), \n                      data.begin(), std::forward&lt;Func&gt;(f));\n    }\n\n    \/\/ \u6761\u4ef6\u306b\u57fa\u3065\u304f\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\n    template&lt;typename Pred&gt;\n    auto filter(Pred&amp;&amp; predicate) const {\n        std::vector&lt;T&gt; result;\n        std::copy_if(data.begin(), data.end(), \n                    std::back_inserter(result), \n                    std::forward&lt;Pred&gt;(predicate));\n        return result;\n    }\n\n    \/\/ \u8981\u7d20\u306e\u96c6\u8a08\n    template&lt;typename Acc = T&gt;\n    Acc accumulate(Acc init = Acc{}) const {\n        return std::accumulate(data.begin(), data.end(), init);\n    }\n};\n\n\/\/ \u4f7f\u7528\u4f8b\nArrayOperations&lt;int, 5&gt; ops;\nops.transform([](int x) { return x * 2; });\nauto filtered = ops.filter([](int x) { return x &gt; 10; });\nauto sum = ops.accumulate();<\/pre>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>\u52b9\u7387\u7684\u306a\u30e1\u30e2\u30ea\u7ba1\u7406\u3068\u64cd\u4f5c<\/strong><\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u30e1\u30e2\u30ea\u52b9\u7387\u3092\u8003\u616e\u3057\u305f\u914d\u5217\u64cd\u4f5c\ntemplate&lt;typename T&gt;\nclass OptimizedArray {\n    std::unique_ptr&lt;T[]&gt; data;\n    size_t size;\n\npublic:\n    \/\/ \u30e0\u30fc\u30d6\u30bb\u30de\u30f3\u30c6\u30a3\u30af\u30b9\u3092\u6d3b\u7528\u3057\u305f\u52b9\u7387\u7684\u306a\u64cd\u4f5c\n    OptimizedArray(OptimizedArray&amp;&amp; other) noexcept\n        : data(std::move(other.data)), size(other.size) {\n        other.size = 0;\n    }\n\n    \/\/ \u30a4\u30f3\u30d7\u30ec\u30fc\u30b9\u64cd\u4f5c\u306b\u3088\u308b\u52b9\u7387\u5316\n    template&lt;typename Func&gt;\n    void modify_in_place(Func&amp;&amp; f) {\n        for (size_t i = 0; i &lt; size; ++i) {\n            f(data[i]);\n        }\n    }\n\n    \/\/ \u90e8\u5206\u66f4\u65b0\u306e\u6700\u9069\u5316\n    void update_range(size_t start, size_t end, const T&amp; value) {\n        if (start &gt;= size || end &gt; size || start &gt; end) {\n            throw std::out_of_range(\"Invalid range\");\n        }\n        std::fill(data.get() + start, data.get() + end, value);\n    }\n};<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-19\">\u3055\u3089\u306a\u308b\u5b66\u7fd2\u306e\u305f\u3081\u306e\u30ea\u30bd\u30fc\u30b9\u7d39\u4ecb<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u63a8\u5968\u3055\u308c\u308b\u5b66\u7fd2\u30c8\u30d4\u30c3\u30af<\/strong><\/li>\n<\/ol>\n\n\n<div id=\"id-ebed85a6-3a8a-4e0b-9bc9-0521ab44f9dc\">\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u30c8\u30d4\u30c3\u30af<\/th><th>\u8aac\u660e<\/th><th>\u91cd\u8981\u5ea6<\/th><\/tr><\/thead><tbody><tr><td>\u30e1\u30e2\u30ea\u30e2\u30c7\u30eb<\/td><td>\u914d\u5217\u306e\u30e1\u30e2\u30ea\u30ec\u30a4\u30a2\u30a6\u30c8\u3068\u6700\u9069\u5316<\/td><td>\u2605\u2605\u2605\u2605\u2605<\/td><\/tr><tr><td>SIMD\u64cd\u4f5c<\/td><td>\u4e26\u5217\u51e6\u7406\u306b\u3088\u308b\u9ad8\u901f\u5316<\/td><td>\u2605\u2605\u2605\u2605\u2606<\/td><\/tr><tr><td>\u30ad\u30e3\u30c3\u30b7\u30e5\u6700\u9069\u5316<\/td><td>\u30e1\u30e2\u30ea\u30a2\u30af\u30bb\u30b9\u306e\u52b9\u7387\u5316<\/td><td>\u2605\u2605\u2605\u2605\u2606<\/td><\/tr><tr><td>\u4f8b\u5916\u5b89\u5168\u6027<\/td><td>\u5805\u7262\u306a\u30a8\u30e9\u30fc\u51e6\u7406\u306e\u5b9f\u88c5<\/td><td>\u2605\u2605\u2605\u2605\u2606<\/td><\/tr><tr><td>\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u30e1\u30bf\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0<\/td><td>\u6c4e\u7528\u7684\u306a\u5b9f\u88c5\u624b\u6cd5<\/td><td>\u2605\u2605\u2605\u2606\u2606<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li><strong>\u767a\u5c55\u7684\u306a\u5b66\u7fd2\u30d1\u30b9<\/strong><\/li>\n<\/ol>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u6b21\u306e\u30b9\u30c6\u30c3\u30d7\u3067\u5b66\u3076\u3079\u304d\u5b9f\u88c5\u4f8b\nnamespace AdvancedTopics {\n    \/\/ CRTP(Curiously Recurring Template Pattern)\u306e\u6d3b\u7528\n    template&lt;typename Derived&gt;\n    class ArrayBase {\n    protected:\n        void implementation_check() {\n            static_assert(std::is_base_of_v&lt;ArrayBase, Derived&gt;,\n                         \"Must inherit from ArrayBase\");\n        }\n    };\n\n    \/\/ Expression Templates\u306e\u6d3b\u7528\n    template&lt;typename T, typename Operation&gt;\n    class ArrayExpression {\n        \/\/ \u9045\u5ef6\u8a55\u4fa1\u306b\u3088\u308b\u6700\u9069\u5316\n    };\n\n    \/\/ Policy-based Design\u306e\u5b9f\u88c5\n    template&lt;typename T, template&lt;typename&gt; class AllocationPolicy&gt;\n    class CustomArray : private AllocationPolicy&lt;T&gt; {\n        \/\/ \u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u53ef\u80fd\u306a\u5b9f\u88c5\n    };\n}<\/pre>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li><strong>\u5b9f\u8df5\u7684\u306a\u6b21\u306e\u30b9\u30c6\u30c3\u30d7<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316<\/strong><\/li>\n\n\n\n<li>\u30d7\u30ed\u30d5\u30a1\u30a4\u30ea\u30f3\u30b0\u30c4\u30fc\u30eb\u306e\u4f7f\u7528<\/li>\n\n\n\n<li>\u30ad\u30e3\u30c3\u30b7\u30e5\u52b9\u7387\u306e\u5206\u6790<\/li>\n\n\n\n<li>\u30e1\u30e2\u30ea\u30a2\u30af\u30bb\u30b9\u30d1\u30bf\u30fc\u30f3\u306e\u6700\u9069\u5316<\/li>\n\n\n\n<li><strong>\u30b3\u30fc\u30c9\u54c1\u8cea\u5411\u4e0a<\/strong><\/li>\n\n\n\n<li>\u9759\u7684\u89e3\u6790\u30c4\u30fc\u30eb\u306e\u6d3b\u7528<\/li>\n\n\n\n<li>\u30e6\u30cb\u30c3\u30c8\u30c6\u30b9\u30c8\u306e\u5145\u5b9f<\/li>\n\n\n\n<li>\u30b3\u30fc\u30c9\u30ec\u30d3\u30e5\u30fc\u306e\u5b9f\u8df5<\/li>\n\n\n\n<li><strong>\u8a2d\u8a08\u30b9\u30ad\u30eb\u5411\u4e0a<\/strong><\/li>\n\n\n\n<li>\u30c7\u30b6\u30a4\u30f3\u30d1\u30bf\u30fc\u30f3\u306e\u7fd2\u5f97<\/li>\n\n\n\n<li>\u30ea\u30d5\u30a1\u30af\u30bf\u30ea\u30f3\u30b0\u624b\u6cd5\u306e\u5b66\u7fd2<\/li>\n\n\n\n<li>\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u8a2d\u8a08\u306e\u7406\u89e3<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u767a\u5c55\u7684\u306a\u30c8\u30d4\u30c3\u30af\u3092\u5b66\u3076\u3053\u3068\u3067\u3001\u3088\u308a\u52b9\u7387\u7684\u3067\u4fdd\u5b88\u6027\u306e\u9ad8\u3044\u30b3\u30fc\u30c9\u3092\u66f8\u304f\u3053\u3068\u304c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u307e\u305f\u3001C++\u306e\u6df1\u3044\u7406\u89e3\u306f\u3001\u4ed6\u306e\u8a00\u8a9e\u3084\u30b7\u30b9\u30c6\u30e0\u8a2d\u8a08\u306b\u3082\u6d3b\u304b\u3059\u3053\u3068\u304c\u3067\u304d\u308b\u8cb4\u91cd\u306a\u77e5\u8b58\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u914d\u5217\u521d\u671f\u5316\u306f\u3001C++\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306e\u57fa\u790e\u3067\u3042\u308a\u3001\u540c\u6642\u306b\u5965\u306e\u6df1\u3044\u30c8\u30d4\u30c3\u30af\u3067\u3059\u3002\u3053\u306e\u8a18\u4e8b\u3067\u5b66\u3093\u3060\u5185\u5bb9\u3092\u57fa\u790e\u3068\u3057\u3066\u3001\u3055\u3089\u306a\u308b\u6280\u8853\u7684\u306a\u63a2\u6c42\u3092\u7d9a\u3051\u3066\u3044\u305f\u3060\u3051\u308c\u3070\u5e78\u3044\u3067\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Warning: Undefined array key &#8220;is_admin&#8221; 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